Patent · US Active

Aluminosilicate glass and color adapting composition for ceramics

US8304356B2 · kind B2 · utility

1Cited by
14References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 2012
Grant dateNov 6, 2012
Priority date
Expiry dateFeb 17, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C8/14
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a color adapting composition used for coloring and color adapting porcelain for ceramic crown such as dental restorations and prosthetics, and aluminosilicate glass appropriate for using in a color adapting composition. More specifically, a color adapting composition for dental porcelains are prepared by blending two or more kinds of glass frits having different sintering temperatures from each other and an inorganic pigment or a colored glass obtained by previously dispersing inorganic pigments in glass.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.